Home / 48,005.06-66,255.06-27,878.78

Finding the Fourth Proportional to 48,005.06, 66,255.06 and 27,878.78

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Solution

The fourth proportional to 48,005.06, 66,255.06 and 27,878.78 is: 38,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,005.06 : 66,255.06 = 27,878.78 : x
  2. Step 2: Convert to fraction form
    48,005.06/66,255.06 = 27,878.78/x
  3. Step 3: Cross multiply
    48,005.06x = 66,255.06 × 27,878.78
  4. Step 4: Simplify right side
    48,005.06x = 1,847,110,511.81
  5. Step 5: Solve for x
    x = 1,847,110,511.81/48,005.06
  6. Step 6: Final answer
    x = 38,477.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.